Finding the Fourth Proportional to 227,276.08, 313,643.16 and 125,305.60
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Solution
The fourth proportional to 227,276.08, 313,643.16 and 125,305.60 is: 172,922.92
Step by Step Solution
- Step 1: Write the proportion equation
227,276.08 : 313,643.16 = 125,305.60 : x - Step 2: Convert to fraction form
227,276.08/313,643.16 = 125,305.60/x - Step 3: Cross multiply
227,276.08x = 313,643.16 × 125,305.60 - Step 4: Simplify right side
227,276.08x = 39,301,244,349.70 - Step 5: Solve for x
x = 39,301,244,349.70/227,276.08 - Step 6: Final answer
x = 172,922.92
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.